package dao;

import java.util.List;

import models.Group;

public interface GroupDao {
	public long count(Group group);
	public void insert(Group group);
	public Group select(Group group);
	public List<Group> selectList(Group group);
	public List<Group> selectByUserId(String userId);
	public List<Group> selectAll();
	public Group selectById(String groupId);
}
